To compile:
***********

cmake .
make

To launch with details:
***********************

SINGLE FIELD
------------
./persistent_cohomology_unit_test simplex_tree_file_for_unit_test.txt --report_level=detailed --log_level=all 

   ==> echo $? returns 0 in case of success (non-zero otherwise)

MULTI FIELD
-----------
./persistent_cohomology_unit_test_multi_field simplex_tree_file_for_multi_field_unit_test.txt --report_level=detailed --log_level=all

   ==> echo $? returns 0 in case of success (non-zero otherwise)